apps/silcd/command_reply.h

   1 /*
   2
   3   command_reply.h
   4
   5   Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
   6
   7   Copyright (C) 1997 - 2000 Pekka Riikonen
   8
   9   This program is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU General Public License as published by
  11   the Free Software Foundation; either version 2 of the License, or
  12   (at your option) any later version.
  13
  14   This program is distributed in the hope that it will be useful,
  15   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17   GNU General Public License for more details.
  18
  19 */
  20
  21 #ifndef COMMAND_REPLY_H
  22 #define COMMAND_REPLY_H
  23
  24 /* Structure holding one command reply and pointer to its function. */
  25 typedef struct {
  26   SilcCommandCb cb;
  27   SilcCommand cmd;
  28 } SilcServerCommandReply;
  29
  30 /* All server command replys */
  31 extern SilcServerCommandReply silc_command_reply_list[];
  32
  33 /* Context sent as argument to all command reply functions */
  34 typedef struct {
  35   SilcServer server;
  36   SilcSocketConnection sock;
  37   SilcCommandPayload payload;
  38
  39   /* If defined this executes the pending command. */
  40   void *context;
  41   SilcCommandCb callback;
  42 } *SilcServerCommandReplyContext;
  43
  44 /* Macros */
  45
  46 /* Macro used for command declaration in command reply list structure */
  47 #define SILC_SERVER_CMD_REPLY(func, cmd ) \
  48 { silc_server_command_reply_##func, SILC_COMMAND_##cmd }
  49
  50 /* Macro used to declare command reply functions */
  51 #define SILC_SERVER_CMD_REPLY_FUNC(func) \
  52 void silc_server_command_reply_##func(void *context)
  53
  54 /* Macro used to execute command replies */
  55 #define SILC_SERVER_COMMAND_REPLY_EXEC(ctx)             \
  56 do {                                                    \
  57   SilcServerCommandReply *cmd;                          \
  58                                                         \
  59   for (cmd = silc_command_reply_list; cmd->cb; cmd++)   \
  60     if (cmd->cmd == silc_command_get(ctx->payload)) {   \
  61       cmd->cb(ctx);                                     \
  62       break;                                            \
  63     }                                                   \
  64                                                         \
  65   if (cmd == NULL) {                                    \
  66     silc_free(ctx);                                     \
  67     return;                                             \
  68   }                                                     \
  69 } while(0)
  70
  71 /* Prototypes */
  72 void silc_server_command_reply_process(SilcServer server,
  73                                        SilcSocketConnection sock,
  74                                        SilcBuffer buffer);
  75 SILC_SERVER_CMD_REPLY_FUNC(join);
  76
  77 #endif